Cita APA (7th ed.)
EZELL, M., & GIBSON, J. (1990). THE IMPACT OF INFORMAL SOCIAL NETWORKS ON THE ELDERLY'S NEED FOR SERVICES.
Cita Chicago (17th ed.)
EZELL, M., i J.W GIBSON. THE IMPACT OF INFORMAL SOCIAL NETWORKS ON THE ELDERLY'S NEED FOR SERVICES. 1990.
Cita MLA (9th ed.)
EZELL, M., i J.W GIBSON. THE IMPACT OF INFORMAL SOCIAL NETWORKS ON THE ELDERLY'S NEED FOR SERVICES. 1990.
Atenció: Aquestes cites poden no estar 100% correctes.